document.write( "Question 985000: Find the fifth roots of 243(cos 240° + i sin 240°). \n" ); document.write( "
Algebra.Com's Answer #605840 by Alan3354(69443)\"\" \"About 
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\n" ); document.write( "Find the sixth roots of -64.
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\n" ); document.write( "-64 = 2^6cis(180)
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\n" ); document.write( "Roots are 2cis(30 + n*60), n = 0...5
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